Home / 323,916.86-447,025.29-178,721.93

Finding the Fourth Proportional to 323,916.86, 447,025.29 and 178,721.93

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Solution

The fourth proportional to 323,916.86, 447,025.29 and 178,721.93 is: 246,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,916.86 : 447,025.29 = 178,721.93 : x
  2. Step 2: Convert to fraction form
    323,916.86/447,025.29 = 178,721.93/x
  3. Step 3: Cross multiply
    323,916.86x = 447,025.29 × 178,721.93
  4. Step 4: Simplify right side
    323,916.86x = 79,893,222,587.61
  5. Step 5: Solve for x
    x = 79,893,222,587.61/323,916.86
  6. Step 6: Final answer
    x = 246,647.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.